52091185454 has 16 divisors (see below), whose sum is σ = 97417282176. Its totient is φ = 20295267000.

The previous prime is 52091185429. The next prime is 52091185457. The reversal of 52091185454 is 45458119025.

It is a super-2 number, since 2×52091185454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52091185457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169127072 + ... + 169127379.

It is an arithmetic number, because the mean of its divisors is an integer number (6088580136).

Almost surely, 2^52091185454 is an apocalyptic number.

52091185454 is a deficient number, since it is larger than the sum of its proper divisors (45326096722).

52091185454 is a wasteful number, since it uses less digits than its factorization.

52091185454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338254471.

The product of its (nonzero) digits is 288000, while the sum is 44.

The spelling of 52091185454 in words is "fifty-two billion, ninety-one million, one hundred eighty-five thousand, four hundred fifty-four".